Aluminum heads and 63 vs 65cc chambers
My Eddie Rpm heads were advertised as 63cc but measured 65+ cc's. Had to mill them to get my actual CR to 10.5 in my avatar 408 (pic prior to milling).
My Eddie Rpm heads were advertised as 63cc but measured 65+ cc's. Had to mill them to get my actual CR to 10.5 in my avatar 408 (pic prior to milling).